ArcGIS vs iKatastr2 on iOS January 26, 2015 ~ ∫ ∪ ∧∴ ∋ ∈ ⊇ ∧ ~ Leave a comment Interesting to see few graphs showing number of downloads of the ArcGIS vs iKatastr2 on iOS for Czech Republic. Data are taken from AppAnnie.com (login requiered). iPhone: iPad